Include what you need: QSet for qtexttospeech_darwin.mm


Amends 78e802584b387fb994da9cc2ceb85ff6a099c960 (6.4).

Task-number: QTBUG-145302
Pick-to: 6.11 6.10 6.8
Change-Id: I79f4c185cdedf1a66cba71f194e2e5d1ad0d6ab9
Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>
commitc9462129ada4d3efbfb97836a7aa74220a267221
parente88fe49e4a82f29d421a266a76148ca453c62c8d
authorMarc Mutz <marc.mutz@qt.io>
committerMarc Mutz <marc.mutz@qt.io>
commit timeFri, 27 Mar 2026 16:59:26 +0100